Today, U.S. president Barack Obama and Chinese president Xi Jinping used the occasion of their high-level bilateral meeting to once again send a strong message about the two countries’ commitment to address climate change. The two leaders, in a joint statement,...

Coal is an important fuel source, with a major role in the electricity generation sector and in industrial steel production. Coal’s dominant role in electricity generation is due to the fuel’s abundance, low price, and high energy content. But while coal...

Natural gas is a combustible, gaseous fossil fuel that is the third-most widely-used energy source in the world, accounting for approximately 21 percent of total primary energy demand in 2012. Natural gas plays a role in almost every economic sector and emits fewer...

Nuclear power is an important source of non-fossil base load electricity in 30 countries, and is often cited as a necessary component of a diverse, reliable electricity sector. Globally, the nuclear power sector continues to expand, although in recent years nuclear power...

Crude oil, a fossil fuel, is the most widely used energy source in the world, accounting for 31 percent of total primary energy demand in 2012. Crude oil’s global role is primarily due to its importance in the transportation sector: transportation accounts for...